51056111 has 8 divisors (see below), whose sum is σ = 52408944. Its totient is φ = 49708480.

The previous prime is 51056099. The next prime is 51056141. The reversal of 51056111 is 11165015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51056111 - 2¹⁰ = 51055087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51056141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25820 + ... + 27726.

It is an arithmetic number, because the mean of its divisors is an integer number (6551118).

Almost surely, 2^51056111 is an apocalyptic number.

51056111 is a deficient number, since it is larger than the sum of its proper divisors (1352833).

51056111 is a wasteful number, since it uses less digits than its factorization.

51056111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 51056111 is about 7145.3559043619. The cubic root of 51056111 is about 370.9789294999.

The spelling of 51056111 in words is "fifty-one million, fifty-six thousand, one hundred eleven".